Home / 212,908,828.16-293,742,015.36-173,682,796.16

Finding the Fourth Proportional to 212,908,828.16, 293,742,015.36 and 173,682,796.16

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Solution

The fourth proportional to 212,908,828.16, 293,742,015.36 and 173,682,796.16 is: 239,623,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908,828.16 : 293,742,015.36 = 173,682,796.16 : x
  2. Step 2: Convert to fraction form
    212,908,828.16/293,742,015.36 = 173,682,796.16/x
  3. Step 3: Cross multiply
    212,908,828.16x = 293,742,015.36 × 173,682,796.16
  4. Step 4: Simplify right side
    212,908,828.16x = 51,017,934,577,398,472
  5. Step 5: Solve for x
    x = 51,017,934,577,398,472/212,908,828.16
  6. Step 6: Final answer
    x = 239,623,387.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.